The Sonoma County Sheriff's Office has closed a 1983 cold case after DNA evidence identified a deceased suspect in the Guerneville killing. - The victim, Mary Smith, 34, was found dead in her home on July 15, 1983.
- Advanced DNA testing linked the suspect, John Doe, who had a prior criminal record. - The case was reopened in 2022 as part of a cold case initiative.
The closure provides resolution to the victim's family after more than four decades.